Granted Patent
Utility
US 4,227,288 · App. 05/930,346
Compactor shoe construction
Inventor:
Paul Moser
Patented Case
View Patent ↗
Granted: Oct 14, 1980
Filed: Aug 2, 1978
Inventor
Paul Moser
Assignee (at issue)
Compax Corp.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.